B. Orden, R. Martínez, R. Millán, M. Belloso, and N. Pérez. Clinical Microbiology and Infection: The Official Publication of the European Society of Clinical Microbiology and Infectious Diseases, 9 (12):
1245--1247(December 2003)PMID: 14686993.
E. Bouza, A. Burillo, and P. Muñoz. Clinical Microbiology and Infection: The Official Publication of the European Society of Clinical Microbiology and Infectious Diseases, 8 (5):
265--274(May 2002)PMID: 12047403.
K. Kaier, C. Hagist, U. Frank, A. Conrad, and E. Meyer. Infection Control and Hospital Epidemiology: The Official Journal of the Society of Hospital Epidemiologists of America, 30 (4):
346--353(April 2009)PMID: 19236282.
N. Back, C. Linnemann, J. Staneck, and U. Kotagal. Infection Control and Hospital Epidemiology: The Official Journal of the Society of Hospital Epidemiologists of America, 17 (4):
227--231(April 1996)PMID: 8935730.